src/device/serial/serial_service_impl.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "device/serial/serial_service_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "base/location.h"
   9 #include "device/serial/serial_io_handler.h"
  10
  11 namespace device {
  12
  13 SerialServiceImpl::SerialServiceImpl(
  14     scoped_refptr<SerialConnectionFactory> connection_factory)
  15     : connection_factory_(connection_factory) {
  16 }
  17
  18 SerialServiceImpl::SerialServiceImpl(
  19     scoped_refptr<SerialConnectionFactory> connection_factory,
  20     scoped_ptr<SerialDeviceEnumerator> device_enumerator)
  21     : device_enumerator_(device_enumerator.Pass()),
  22       connection_factory_(connection_factory) {
  23 }
  24
  25 SerialServiceImpl::~SerialServiceImpl() {
  26 }
  27
  28 // static
  29 void SerialServiceImpl::Create(
  30     scoped_refptr<base::MessageLoopProxy> io_message_loop,
  31     mojo::InterfaceRequest<serial::SerialService> request) {
  32   mojo::BindToRequest(new SerialServiceImpl(new SerialConnectionFactory(
  33                           base::Bind(SerialIoHandler::Create,
  34                                      base::MessageLoopProxy::current()),
  35                           io_message_loop)),
  36                       &request);
  37 }
  38
  39 // static
  40 void SerialServiceImpl::CreateOnMessageLoop(
  41     scoped_refptr<base::MessageLoopProxy> message_loop,
  42     scoped_refptr<base::MessageLoopProxy> io_message_loop,
  43     mojo::InterfaceRequest<serial::SerialService> request) {
  44   message_loop->PostTask(
  45       FROM_HERE,
  46       base::Bind(
  47           &SerialServiceImpl::Create, io_message_loop, base::Passed(&request)));
  48 }
  49
  50 void SerialServiceImpl::GetDevices(
  51     const mojo::Callback<void(mojo::Array<serial::DeviceInfoPtr>)>& callback) {
  52   callback.Run(GetDeviceEnumerator()->GetDevices());
  53 }
  54
  55 void SerialServiceImpl::Connect(
  56     const mojo::String& path,
  57     serial::ConnectionOptionsPtr options,
  58     mojo::InterfaceRequest<serial::Connection> connection_request,
  59     mojo::InterfaceRequest<serial::DataSink> sink,
  60     mojo::InterfaceRequest<serial::DataSource> source) {
  61   if (!IsValidPath(path))
  62     return;
  63   connection_factory_->CreateConnection(path,
  64                                         options.Pass(),
  65                                         connection_request.Pass(),
  66                                         sink.Pass(),
  67                                         source.Pass());
  68 }
  69
  70 SerialDeviceEnumerator* SerialServiceImpl::GetDeviceEnumerator() {
  71   if (!device_enumerator_)
  72     device_enumerator_ = SerialDeviceEnumerator::Create();
  73   return device_enumerator_.get();
  74 }
  75
  76 bool SerialServiceImpl::IsValidPath(const mojo::String& path) {
  77   mojo::Array<serial::DeviceInfoPtr> devices(
  78       GetDeviceEnumerator()->GetDevices());
  79   for (size_t i = 0; i < devices.size(); i++) {
  80     if (path == devices[i]->path)
  81       return true;
  82   }
  83   return false;
  84 }
  85
  86 }  // namespace device